The GeoMax Zenith55 GNSS receiver/smart antenna comes equipped with a UHF radio, tilt compensation, Bluetooth, WLAN, 600+ channels, GPS, GLONASS, Galileo, BeiDou, NavlC, and QZSS.

The Zenith55 works seamlessly with GeoMax robotic total stations, field controllers and the X-PAD field software. It is ideal for those looking for assistance in tackling challenging construction and surveying projects.

Zenith55 GNSS Smart Antenna
Receiver Specifications
Measurement Engine600+ channels, multi-frequency, multi-constellation
GPS TrackingL1 C/A, L1P, L1C, L2C, L2P, L5
GLONASS TrackingL1 C/A, L2 C/A, L3**
BeiDou TrackingB1l, B1C, B2l, B2a, B2b, B3l, ACEBOC
Galileo trackingE1, E5a, E5b, E6, AltBOC
QZSS trackingL1 C/A, L1C, L2C, L5, L6
NavICL5
SBAS (EGNOS, WAAS, MSAS, GAGAN)L1, L5
Positioning rate10 Hz
Time for InitialisationTypically 6s
Receiver Accuracy & Performance
RTKHz: 10 mm + 1 ppm (rms)
V: 20mm + 1ppm (rms)
Network RTKHz: 10 mm + 0.5 ppm (rms)
V: 20mm + 0.5 ppm (rms)
StaticHz: 5mm + 0.5 ppm (rms)
V: 8 mm + 0.5 ppm (rms)
Tilt Compensated Real-Time KinematicAdditional Hz uncertainty 2 cm up to 30° tilt
Communication
4G LTE ModeQUECTEL EG25-G LTE FDD, LTE TDD, UMTS, GSM
RTK data protocolsRTCM 2.1, 2.3, 3.0, 3.1, 3.2, 3.3, 3.4, CMR, CMR+
NMEA OutputNMEA v3.1, NMEA v4.1
UHF radio moduleTRM101, 500 mW, 1000 mW transceiver, 410–470 MHz
Bluetooth®2.1 +EDR, V5.0 QR-iConnect functionality
WLAN802.11 b/g/n Hotspot / client mode
TNC connectorUHF antenna
Communication portUSB, serial & power
Power Supply
Two Internal BatteriesHot-swappable, Li-Ion 3.4 Ah / 7.2 V
Operating Time12.5 h in static / 11 h in rover mode
External Power9 V to 28 V, LEMO® plug
Physical Specifications
DimensionsHeight 75 mm, ø 166.8 mm
Weight1.14 kg (without batteries)
Operating Temperature– 40°C to 65°C
Environmental protectionIP68 (IEC 60529)
Withstands powerful jets and temp. immersion under water
MIL-STD-810G 1 506.6 & 1 512.6
Fully dust tight
MIL-STD-810G 1 510.6
VibrationMechanical stress resistant according to ISO 9022-36-05
ShockWithstands 2 m drop onto hard surface

  • Zenith55 GNSS Receiver

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  • Unopened and unused items may be returned within 15 days of purchase for a full refund.
  • A 10% to 20% restocking fee will apply after 15 days.
  • Returns must be accompanied by the original proof of purchase from James River Laser.
  • To learn more, visit the Return and Replacement Policy Page (Link).

  • If your order arrives damaged, please notify us within 48 hours of receipt.
  • Defective or damaged items may be replaced for the same product within 15 days of purchase.
  • Replacements are subject to product availability.

  • Offering a wide range of construction lasers, survey equipment, machine control systems, GPS systems, trench shoring, and more from top names in the industry.
  • Backing our equipment with manufacturer warranties.
  • Offering a customer-friendly return policy with flexible options.
  • Ensuring your confidence in our products through replacement policies for defective or damaged items.
  • Putting you first by resolving shipping-related issues promptly.

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